Here are just three outstanding memories:
- Tarim's demonstration of the Dr Nim mechanical robot from the 1960s which plays a version of Nim's game perfectly. This was particularly timely: Dr Nim will feature in my talk at the Science Museum Lates on the evening of 27 November.
- Derek Cozens showing how to tie a tie one-handed. i didn't manage to do it - but perhaps with some practice...
- Pedro Freitas's demonstration of how to untangle a braid with a clever use of rational numbers
I intend to write a further post about Dr Nim when I have more time.